Fiber Optic Shelf Furcation Mounting Anti-Rotation

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Solution Overview

Problem

Current fiber optic cable assembly securing techniques, such as tape or Ty-Wraps, are not securely integrated into fiber optic equipment, leading to instability and difficulty in reconfiguring or reattaching furcation assemblies, which limits high-density fiber optic equipment designs and complicates changes in optical connections.

Innovation Solution

The development of a fiber optic shelf assembly with integrated anti-rotation and attachment features, including clips and securing devices, that securely mount furcation bodies to a mounting surface, allowing for easy access, organization, and high-density fiber optic cable management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If simple fasteners such as tape, Ty-Wraps, or Velcro are used to secure furcation assemblies, then the securing process is simple and easy to apply, but the mounting stability and strength are insufficient, especially under lateral and rotational forces

Engineering Contradiction:
Improveease of securingVSAvoidmounting stability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent replaces simple mechanical fasteners (tape, Ty-Wraps, Velcro) with a integrated mounting structure that combines the furcation assembly with a secure mounting mechanism. The mounting structure includes a mounting plate with slots and a mounting bracket that provides rigid mechanical support, eliminating the need for weak adhesive or friction-based fasteners while maintaining ease of installation through a unified component design.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent merges the furcation assembly with an integrated mounting structure that includes the mounting plate, mounting bracket, and securing features as a single unified component. This integration ensures that the furcation assembly and mounting mechanism work together as one system, providing both ease of installation and strong mechanical support against lateral and rotational forces.

Inventive Principle:
Principle #5Merging (Combining)

2Ease of manufacture

If simple fasteners are used to attach furcation assemblies, then installation is quick and easy, but reconfiguration and reattachment become cumbersome and difficult

Engineering Contradiction:
Improveease of installationVSAvoidreconfiguration ease
Core Design Contradiction:
Ease of manufactureVSEase of repair

Solution Approach 1:

The patent incorporates dynamic features into the mounting structure, including movable mounting brackets and adjustable slots that allow the furcation assembly to be easily repositioned and reconfigured. The mounting mechanism is designed to be flexible in its operation, enabling quick release and reattachment without requiring complex disassembly procedures, thus maintaining both ease of installation and ease of reconfiguration.

Inventive Principle:
Principle #15Dynamics

3Reliability

If integrated mounting structures with anti-rotation features are used, then mounting stability and strength are improved, but device complexity increases

Engineering Contradiction:
Improvemounting stabilityVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs asymmetric design features in the mounting structure, including non-symmetric slot orientations and asymmetric mounting bracket configurations that provide anti-rotation capability. These asymmetric features naturally prevent rotational movement of the furcation assembly without requiring additional complex anti-rotation mechanisms, thereby maintaining mounting stability while minimizing structural complexity.

Inventive Principle:
Principle #4Asymmetry

4Productivity

If more furcation assemblies are mounted per equipment unit, then high-density fiber optic equipment design is achieved, but the ability to securely mount each assembly becomes more challenging

Engineering Contradiction:
Improvefiber optic densityVSAvoidsecuring capability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent utilizes three-dimensional mounting arrangements with mounting plates positioned at different levels and orientations within the equipment unit. This spatial dimensionality allows multiple furcation assemblies to be mounted in a compact configuration while each assembly maintains its own dedicated mounting bracket and securing features, ensuring high density without compromising the securing capability of individual assemblies.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS8437597B2Mounting of fiber optic cable assemblies within fiber optic shelf assemblies
Publication Date: 2013.05.07 CORNING OPTICAL COMMUNICATIONS LLC
  • US8437597B2 patent drawing
  • US8437597B2 patent drawing
  • US8437597B2 patent drawing

AI summary

Fiber optic shelf assemblies and furcation mounting structures for securing a plurality of furcation bodies of respective fiber optic cable assembles within the fiber optic shelf are disclosed. In one embodiment, the fiber optic shelf has a one-to-one correspondence between a plurality of respective modules and the respective fiber optic cable assemblies. Additionally, the fiber optic shelf assemblies and furcation mounting structures disclosed advantageously allow the mounting of a relatively large number of furcation bodies within the fiber optic shelf assembly for supporting relatively large fiber optic connections per 1 U rack space.